ATE303601T1 - DEVICE AND METHOD FOR DETECTING CHARACTERISTIC PARAMETERS OF CHARGE STORAGE - Google Patents

DEVICE AND METHOD FOR DETECTING CHARACTERISTIC PARAMETERS OF CHARGE STORAGE

Info

Publication number
ATE303601T1
ATE303601T1 AT99928215T AT99928215T ATE303601T1 AT E303601 T1 ATE303601 T1 AT E303601T1 AT 99928215 T AT99928215 T AT 99928215T AT 99928215 T AT99928215 T AT 99928215T AT E303601 T1 ATE303601 T1 AT E303601T1
Authority
AT
Austria
Prior art keywords
charge storage
storage device
charge
equivalent circuit
parameters
Prior art date
Application number
AT99928215T
Other languages
German (de)
Inventor
Chul Oh Yoon
Yevgen Barsukov
Jong Hyun Kim
Original Assignee
Korea Kumho Petrochem Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Korea Kumho Petrochem Co Ltd filed Critical Korea Kumho Petrochem Co Ltd
Application granted granted Critical
Publication of ATE303601T1 publication Critical patent/ATE303601T1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables

Abstract

A method and an apparatus for determining characteristic parameters of a charge storage device based on a wide frequency range of impedance measurement and a non-linear equivalent circuit model by which the parameters of the non-linear equivalent circuit model indicative of the characteristics of various charge storage devices such as a primary battery, secondary battery, capacitor, supercapacitor and fuel cell are determined, the method comprising the steps of: (1) measuring voltage and current characteristics in a process of charging/discharging of the charge storage device by applying a voltage/current at a predetermined discharge rate; (2) measuring impedance spectra at a predetermined range of frequency by measuring the current and voltage from both terminals of the charge storage device or from an electrical load directly connected to the charge storage device at a plurality of states of charge within the entire charge/discharge interval; and (3) obtaining the parameters of the non-linear equivalent circuit of the charge storage device from the charge or discharge characteristics measured in step (1) and the characteristic impedance spectrum in the predetermined range of frequency measured in step (2).
AT99928215T 1998-11-19 1999-06-28 DEVICE AND METHOD FOR DETECTING CHARACTERISTIC PARAMETERS OF CHARGE STORAGE ATE303601T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-1998-0049700A KR100395516B1 (en) 1998-11-19 1998-11-19 Method and apparatus for digitizing characteristic factor of power storage device using nonlinear equivalent circuit model
PCT/KR1999/000345 WO2000031557A1 (en) 1998-11-19 1999-06-28 Method and apparatus for determining characteristic parameters of a charge storage device

Publications (1)

Publication Number Publication Date
ATE303601T1 true ATE303601T1 (en) 2005-09-15

Family

ID=19558979

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99928215T ATE303601T1 (en) 1998-11-19 1999-06-28 DEVICE AND METHOD FOR DETECTING CHARACTERISTIC PARAMETERS OF CHARGE STORAGE

Country Status (9)

Country Link
US (1) US6160382A (en)
EP (1) EP1153311B1 (en)
JP (1) JP3190313B2 (en)
KR (1) KR100395516B1 (en)
AT (1) ATE303601T1 (en)
AU (1) AU4532099A (en)
DE (1) DE69927058T2 (en)
TW (1) TW444128B (en)
WO (1) WO2000031557A1 (en)

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